Finding the Third Proportional to 34,353 and 72,918

Step by Step Solution

1. Step 1: Write the proportion equation
   34,353 : 72,918 = 72,918 : x
2. Step 2: Convert to fraction form
   34,353/72,918 = 72,918/x
3. Step 3: Cross multiply
   34,353x = 72,918 × 72,918
4. Step 4: Simplify right side
   34,353x = 5,317,034,724
5. Step 5: Solve for x
   x = 5,317,034,724/34,353
6. Step 6: Final answer
   x = 154,776.43